Home / 455,824.98-683,529.57-189,426.78

Finding the Fourth Proportional to 455,824.98, 683,529.57 and 189,426.78

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Solution

The fourth proportional to 455,824.98, 683,529.57 and 189,426.78 is: 284,053.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,824.98 : 683,529.57 = 189,426.78 : x
  2. Step 2: Convert to fraction form
    455,824.98/683,529.57 = 189,426.78/x
  3. Step 3: Cross multiply
    455,824.98x = 683,529.57 × 189,426.78
  4. Step 4: Simplify right side
    455,824.98x = 129,478,805,479.89
  5. Step 5: Solve for x
    x = 129,478,805,479.89/455,824.98
  6. Step 6: Final answer
    x = 284,053.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.